nickel jefa

Simintin nickel yana ba da juriya na musamman ga zafi, lalata, da lalacewa - yana mai da shi ba makawa ga bawul ɗin ruwa, manyan matsuguni na famfo, da kayan aikin mai da iskar gas. Amma samun sauti, simintin gyaran gyare-gyaren nickel ba wai kawai zuba narkakkar karfe ne a cikin gyaggyarawa ba. Mun jefa sama da 12,000 nickel gami sassa tun 2018-ciki har da AMS 5387 cobalt-nickel kayan aikin famfo da winch tushen T800-kuma kowace gazawa ta koya mana wani abu daidai. Wannan jagorar yana bayyana abin da ke aiki, abin da ba ya yi, kuma me yasa.

Fara da Garin Dama-kuma Tabbatar da shi

Ana fara yin simintin nickel tun kafin tanderun ta haskaka. Alloys nickel ba su canzawa. Yin amfani da IN718 inda abokin ciniki ya ƙayyade UNS N06625? Wannan ba canji ba ne - haɗari ne na aiki. Mun taɓa samun ɗanyen sanduna masu lakabin "Inconel 625" waɗanda suka gwada ƙarancin 0.8% a cikin molybdenum. Sakamakon simintin gyare-gyaren ya wuce dubawa na gani amma ya gaza gwajin fesa gishiri a sa'o'i 72-ba 1,000 ba. Simintin simintin nickel na gaskiya yana farawa tare da ƙwararrun gwajin gwajin niƙa (MTRs), cikakken tabbaci na asali ta hanyar simintin sitiriyo na OES, da kuma gano lambar zafi. A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., kowane nickel ko cobalt-nickel batch yana jurewa ingantacciyar kayan shigowa akan ASTM B446 ko AMS 5708. Babu keɓantacce. Idan mai siyar ku ya tsallake wannan matakin, aikin simintin ku ya riga ya lalace.

Sarrafa Mold-Ba kawai Karfe ba

Molten nickel gami suna buƙatar matsananciyar kwanciyar hankali na thermal. Yashi kyawon tsakuwa. Zuba jari harsashi coatings spall. Mun ga gungu na porosity ba su fito daga tarkon iskar gas ba-amma daga yanayin silica da nickel oxide a 1,350°C. Gyaran? Yi amfani da bawo mai haɗe-haɗe na saka hannun jari don simintin simintin nickel mai katanga ƙarƙashin kauri na bango 5 mm. Don yin simintin yashi, guje wa koren da aka ɗaure yumbu. Canja zuwa abin da ba a gasa phenolic urethane binders tare da yumbu wankin rufin-an gwada don jurewa> 1,400°C ba tare da ƙananan fasa ba. Mahimmanci: preheat molds zuwa 250-350 ° C * kuma riƙe* na ≥90 mintuna. Tsallake lokacin jiƙa yana haifar da sanyi, rashin cikar ciyarwa, da sanyin rufewa-musamman a cikin hadaddun geometries kamar gidajen piston famfo Silinda tare da tashoshi masu sanyaya ciki.

Ka Guji Wadannan Matsaloli Uku-Kowane Lokaci

• Rashin kimanta ramuwa na raguwa. Alloys nickel suna raguwa 2.1-2.5% na layi - kusan ƙarfe mai launin toka ninki biyu. Samfuran CAD da aka ƙididdige su a 2.3% har yanzu suna haifar da + 0.12 mm karkata a kan sifofi 300 mm idan ba a ƙididdige haɓakar zafin jiki na kayan ƙira ba. Muna amfani da ingantattun ƙirar laser da aka bincika kafin sakin kayan aiki.
• Tsallake warware matsalar annealing kafin yin inji. Siffofin nickel da aka jefar sun ƙunshi rarrabuwa na dendritic da saura damuwa. Machining kafin magani na zafi yana haifar da yaƙe-yaƙe, zance, da lalacewa na kayan aikin da bai kai ba-har ma tare da saka carbide. Dukkanin simintin gyare-gyaren mu na AMS 5387 da T800 suna fuskantar cikakken bayani anneal (1,150°C/2 hrs/argon quench) kafin aikin CNC.
• Zaton "nickel" yana nufin "marasa maganadisu." Wasu allunan nickel-Copper (misali, Monel 400) suna riƙe ɗan ƙaramin ƙarfi na maganadisu bayan simintin gyare-gyare. Idan aikace-aikacen ku na buƙatar MRI-grade mara magnetism, saka ASTM A479 Grade N04400 tare da <0.005 max μr-kuma tabbatarwa tare da gaussmeter bayan-zafi.

Me yasa Haɗin Kai tsaye Yana Canza Sakamakon

Yawancin gazawar simintin simintin nickel suna faruwa a wuraren da aka kashe: tushen don zafi mai magani, mai maganin zafi zuwa injiniyoyi, injina zuwa gamawa. Muna sarrafa duk matakai huɗu - a cikin ƙa'idodin ISO 9001 guda ɗaya. Lokacin da abokin ciniki ya buƙaci jikin bawul ɗin matsa lamba tare da ± 0.025 mm haƙurin ID akan ɗigon 120 mm, mun jefa, warwarewar warwarewa, jujjuyawar juye-juye, tauraruwar shekaru, gama-ƙusa, da honed-duk ƙarƙashin rufin ɗaya. Sakamako? 98.7% yawan amfanin ƙasa na farko. Kwatanta wannan zuwa fitar da ayyukan aiki inda kowane mai siyar ke amfani da nasu girman girman, tarihin zafi, da hanyoyin riga-kafi. Abubuwan da ake iya canzawa. Samfurin mu na tsaye yana kawar da faifan mu'amala, yana tabbatar da ci gaban ƙananan tsarin, da kuma kullewa cikin yardawar GD&T daga jefar da datum zuwa rahoton dubawa na ƙarshe.

Dubawa Na Ƙarshe: Yi Tambayoyi Biyar Kafin Yin Fim

Kafin ku amince da ƙimar simintin nickel-ko sanya hannu kan ƙira-tabbatar da waɗannan maki biyar:

1. Shin ma'aunin alloy ɗin ya dace da yanayin sabis-ba kawai ƙarfin ɗaurewa ba, amma rayuwa mai ɓarna a yanayin zafin aiki?
2. Shin kayan ƙira da bayanan martaba na preheat an rubuta su-ba a ɗauka ba?
3. Shin mai sayarwa yana tabbatar da kayan da ke shigowa *kuma* yana riƙe da cikakken yanayin yanayin zafi?
4. Shin an shirya warware matsalar *kafin* duk wani injin - kuma an tabbatar da shi tare da taurin kai da rahoton girman hatsi?
5. Shin ana gudanar da binciken CMM akan cikakken sanyaya, tsayayyen sassa-ba a kashe layin ba?

Yin simintin nickel ba tsari ba ne na kayayyaki. Kwangila ce ta ƙarfe tsakanin ƙirar ƙira da gaskiyar zahiri. Kowane karkata-ko a cikin ilmin sunadarai, bayanin martabar zafi, ko lokacin aunawa-yana barin sawun yatsa a cikin aiki. A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., Muna ɗaukar simintin nickel azaman injiniya mai mahimmanci, ba zubo ƙarfe ba. Domin lokacin da famfon ku ke gudana a 4,000 psi ko bawul ɗin ku ya rufe gas mai tsami, babu wani gefe don "kusa da isa."